diff --git a/core/mac/inc/qwlan_version.h b/core/mac/inc/qwlan_version.h
index 16f6ee0878c7..d338917ebab1 100644
--- a/core/mac/inc/qwlan_version.h
+++ b/core/mac/inc/qwlan_version.h
@@ -42,8 +42,8 @@
 #define QWLAN_VERSION_MINOR            1
 #define QWLAN_VERSION_PATCH            0
 #define QWLAN_VERSION_EXTRA            ""
-#define QWLAN_VERSION_BUILD            20
+#define QWLAN_VERSION_BUILD            21
 
-#define QWLAN_VERSIONSTR               "5.1.0.20"
+#define QWLAN_VERSIONSTR               "5.1.0.21"
 
 #endif /* QWLAN_VERSION_H */